Compare 58 vs 91
| Property | 58 | 91 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 291 | 71 × 131 |
| Prime factorization | 2 × 29 | 7 × 13 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 29, 58 | 1, 7, 13, 91 |
| Number of properties | 1 | 1 |
| Semiprimes | 21st | 31st |
| Roman numberals | LVIII | XCI |
| Base 2 | 1110102 | 10110112 |
| Base 3 | 20113 | 101013 |
| Base 4 | 3224 | 11234 |
| Base 5 | 2135 | 3315 |
| Base 6 | 1346 | 2316 |
| Base 7 | 1127 | 1607 |
| Base 8 | 728 | 1338 |
| Base 9 | 649 | 1119 |
| Base 10 | 5810 | 9110 |
| Base 11 | 5311 | 8311 |
| Base 12 | 4a12 | 7712 |
| Base 13 | 4613 | 7013 |
| Base 14 | 4214 | 6714 |
| Base 15 | 3d15 | 6115 |
| Base 16 | 3a16 | 5b16 |